#include <iostream>


int main102()
{
    using namespace std;
    // cout.setf(ios_base::fixed, ios_base::floatfield);
    cout<<endl;

    cout << "This program may reformat your hard disk\n"
            "and destroy all your data.\n"
            "Do you wish to continue?<y/n>";
    char ch;
    cin >> ch;
    if (ch == 'y' || ch == 'Y') {
        cout << "You were warned!\a\a\n";
    }else if (ch == 'n' || ch == 'N') {
        cout << "A wise choice .. bye\n";
    }else {
        cout << "That wasn't a y or n! Apparently you "
                "can't follow\ninstructions, so "
                "I'll trash your disk anyway.\a\a\a\n";
    }
    
    cout<<endl;
    return 0;
}
